The Happy Suicide (The Saint TV Series)

Plot
TV host Ziggy Zaglan has a jovial image but is really an unpleasant man. He owes his success to the writing skills of his brother, Paul. Paul's visited by a man who claims Ziggy was responsible for his sister's death. The next day, Paul's found dead. The assumption is suicide, but the Saint's not convinced, and sets out to find the killer.

Origin
This episode was adapted from the story of the same name from the 1957 book Thanks to the Saint.